Class: Recursivar::Heap

Inherits:
Object show all
Includes:
Enumerable
Defined in:
lib/recursivar/heap.rb

Defined Under Namespace

Classes: Value

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stack) ⇒ Heap

Returns a new instance of Heap.



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# File 'lib/recursivar/heap.rb', line 39

def initialize(stack)
  @heap = {}

  stack.each_with_index do |callor, idx|
    local_values = {}
    callor.lv.each_pair do |name, obj|
      local_values[name] = ref(obj)
    end

    callor_v = wrap_caller(callor)
    callor_v.values.merge!(local_values)

    callee = stack[idx - 1]
    link_callee(callor_v, callee, "#{idx} #{callee.frame_env}") if idx > 0
  end
end

Instance Attribute Details

#heap ⇒ Object (readonly)

Returns the value of attribute heap.



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# File 'lib/recursivar/heap.rb', line 37

def heap
  @heap
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/recursivar/heap.rb', line 74

def each
  @heap.each_pair{ |_, v| yield(v) }
end

#link_callee(callor, callee, level) ⇒ Object 



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# File 'lib/recursivar/heap.rb', line 56

def link_callee(callor, callee, level)
  callee = @heap[callee.send(:binding_self).object_id]
  callor.add_callee(callee, level)
end

#ref(obj) ⇒ Object 



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# File 'lib/recursivar/heap.rb', line 66

def ref(obj)
  v = (@heap[obj.object_id] ||= Value.new(obj))
  v.ref_instance_variables(self)
  v
end

#wrap_caller(callor) ⇒ Object 



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# File 'lib/recursivar/heap.rb', line 61

def wrap_caller(callor)
  callor_obj = callor.send(:binding_self)
  ref(callor_obj)
end